<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<link type="text/css" href="main.css" rel="stylesheet"/>
</head>

<body>
<div id="top"><a href="#">登录</a></div>

<div id="header"></div>
<div id="banner"></div>
<div id="main">123</div>

<div id="footer">
</div>
</body>
</html>
